142990
142,990 is an even composite number composed of four prime numbers multiplied together.
142990 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.
Prime factorization of 142990:
2 × 5 × 79 × 181
See below for interesting mathematical facts about the number 142990 from the Numbermatics database.
Names of 142990
- Cardinal: 142990 can be written as One hundred forty-two thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 1.4299 × 105
Factors of 142990
Divisors of 142990
Bases of 142990
- Binary: 1000101110100011102
- Hexadecimal: 0x22E8E
- Base-36: 32BY
Squares and roots of 142990
- 142990 squared (1429902) is 20446140100
- 142990 cubed (1429903) is 2923593572899000
-
The
square root of 142990 is 378.1401856455 -
The
cube root of 142990 is 52.2919963331
Scales and comparisons
How big is 142990?- 142,990 seconds is equal to 1 day, 15 hours, 43 minutes, 10 seconds.
-
To count from 1 to 142,990 would take you about fifteen hours.
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 142990 cubic inches would be around 4.4 feet tall.
Recreational maths with 142990
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